# Active electrical energy meter — Accuracy classes and maximum permissible errors for trade measuring instruments (EU MID)

For Active electrical energy meter, annex is V; accuracy class is A, B, C; condition is Rated operating conditions; maximum permissible error is Class-dependent, per Table 2 of Annex V; scope or member state option is MI-003. Three class indices defined, recorded from its source on 2026-08-05.

- **Instrument type:** Active electrical energy meter
- **Annex:** V
- **Accuracy class:** A, B, C
- **Condition:** Rated operating conditions _(our reading, not quoted from the source)_
- **Maximum permissible error:** Class-dependent, per Table 2 of Annex V
- **Scope or member state option:** MI-003. Three class indices defined. _(our reading, not quoted from the source)_

## What the source says

> The manufacturer shall specify the class index of the meter. The class indices are defined as: Class A, B and C.

## Source

- https://eur-lex.europa.eu/legal-content/EN/TXT/HTML/?uri=CELEX:32014L0032

Last verified: 2026-08-05. Review by: 2027-08-05.
Part of [Accuracy classes and maximum permissible errors for trade measuring instruments (EU MID)](https://referencesource.org/legal-metrology-accuracy-classes/).